US 12,358,615 B2
Pyrotechnic wheel acceleration system
Robert Kyle Schmidt, Brooklin (CA)
Assigned to Safran Landing Systems Canada Inc., Ajax (CA)
Filed by SAFRAN LANDING SYSTEMS CANADA INC., Ajax (CA)
Filed on Jan. 27, 2021, as Appl. No. 17/160,202.
Prior Publication US 2022/0234726 A1, Jul. 28, 2022
Int. Cl. B64C 25/32 (2006.01)
CPC B64C 25/405 (2013.01) 19 Claims
OG exemplary drawing
 
1. A wheel acceleration system configured to apply a motive force to a wheel mounted to a landing gear of an aircraft, the wheel acceleration system comprising:
a pyrotechnic unit configured to generate expanding gases by combusting a propellant;
a rotary propulsion unit pneumatically coupled to the pyrotechnic unit, the rotary propulsion unit comprising an impeller configured to be driven by the expanding gases and to deliver torque to the wheel; and
an overdriving clutch coupling the impeller to the wheel.